<?php function canvas_subposts($url_string='') {
	parse_str($url_string, $vars);
	global $post_count;
	$i = 0;
	$posts_to_skip = $post_count;
	$total = $vars['number_of_subposts'];
	while(have_posts()) : the_post(); 
		if($i < $total+$posts_to_skip && $i >= $posts_to_skip) : ?>
			<?php if(in_category($vars['skip_category'])) { $post_count++; continue; } ?>
			<h3><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>"><?php the_title(); ?></a> 
			<span class="byline">by <?php the_author_posts_link('nickname') ?> <!-- date is <?php the_time('F jS, Y') ?> --></span></h3>
			<div class="entry">
				<?php the_excerpt(); ?>
			</div>
			<p class="postmetadata">Created on <?php the_time('F jS') ?> and filed under <?php the_category(', '); ?>.</p>
		<?php 
		$post_count++; 
		endif;
		$i++;
	endwhile; 
	rewind_posts();
} ?>